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Narrow QRS tachycardia in a patient with first-degree atrioventricular block was presented as a clinical case to evaluate its underlying electrophysiological mechanism.
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Case suggests distinct mechanism in select tachycardias; hypothesis-generating and should not yet change practice.
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Sarkar et al. (2020) studied this question. Narrow QRS tachycardia in a patient with first-degree atrioventricular block was presented as a clinical case to evaluate its underlying electrophysiological mechanism.
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